Merge pull request #68 from Helloyunho/reaction

Add `addReaction` and `removeReaction` feature, Handle null-id emojis

src/gateway/handlers/guildEmojiUpdate.ts

@@ -17,23 +17,29 @@ export const guildEmojiUpdate: GatewayEventHandler = async (
     const _updated: EmojiPayload[] = []
 
     for (const raw of d.emojis) {
-      const has = emojis.get(raw.id)
+      const emojiID = raw.id !== null ? raw.id : raw.name
+      const has = emojis.get(emojiID)
       if (has === undefined) {
-        await guild.emojis.set(raw.id, raw)
-        const emoji = (await guild.emojis.get(raw.id)) as Emoji
+        await guild.emojis.set(emojiID, raw)
+        const emoji = (await guild.emojis.get(emojiID)) as Emoji
         added.push(emoji)
       } else _updated.push(raw)
     }
 
     for (const emoji of emojis.values()) {
-      const find = _updated.find((e) => emoji.id === e.id)
+      const emojiID = emoji.id !== null ? emoji.id : emoji.name
+      const find = _updated.find((e) => {
+        const eID = e.id !== null ? e.id : e.name
+        return emojiID === eID
+      })
       if (find === undefined) {
-        await guild.emojis.delete(emoji.id)
+        await guild.emojis.delete(emojiID)
         deleted.push(emoji)
       } else {
-        const before = (await guild.emojis.get(find.id)) as Emoji
-        await guild.emojis.set(find.id, find)
-        const after = (await guild.emojis.get(find.id)) as Emoji
+        const foundID = find.id !== null ? find.id : find.name
+        const before = (await guild.emojis.get(foundID)) as Emoji
+        await guild.emojis.set(foundID, find)
+        const after = (await guild.emojis.get(foundID)) as Emoji
         updated.push({ before, after })
       }
     }

src/gateway/handlers/messageReactionAdd.ts

@@ -29,15 +29,16 @@ export const messageReactionAdd: GatewayEventHandler = async (
     } else return
   }
 
-  let reaction = await message.reactions.get(d.emoji.id)
+  const emojiID = d.emoji.id !== null ? d.emoji.id : d.emoji.name
+  let reaction = await message.reactions.get(emojiID)
   if (reaction === undefined) {
-    await message.reactions.set(d.emoji.id, {
+    await message.reactions.set(emojiID, {
       count: 1,
       emoji: d.emoji,
       me: d.user_id === gateway.client.user?.id
     })
     reaction = ((await message.reactions.get(
-      d.emoji.id
+      emojiID
     )) as unknown) as MessageReaction
   }
 

src/gateway/handlers/messageReactionRemove.ts

@@ -27,7 +27,8 @@ export const messageReactionRemove: GatewayEventHandler = async (
     } else return
   }
 
-  const reaction = await message.reactions.get(d.emoji.id)
+  const emojiID = d.emoji.id !== null ? d.emoji.id : d.emoji.name
+  const reaction = await message.reactions.get(emojiID)
   if (reaction === undefined) return
 
   reaction.users.delete(d.user_id)

src/gateway/handlers/messageReactionRemoveEmoji.ts

@@ -19,7 +19,8 @@ export const messageReactionRemoveEmoji: GatewayEventHandler = async (
     } else return
   }
 
-  const reaction = await message.reactions.get(d.emoji.id)
+  const emojiID = d.emoji.id !== null ? d.emoji.id : d.emoji.name
+  const reaction = await message.reactions.get(emojiID)
   if (reaction === undefined) return
 
   await reaction.users.flush()

src/managers/guildEmojis.ts

@@ -87,7 +87,8 @@ export class GuildEmojisManager extends BaseChildManager<EmojiPayload, Emoji> {
   async flush(): Promise<boolean> {
     const arr = await this.array()
     for (const elem of arr) {
-      this.parent.delete(elem.id)
+      const emojiID = elem.id !== null ? elem.id : elem.name
+      this.parent.delete(emojiID)
     }
     return true
   }

src/managers/messageReactions.ts

@@ -21,7 +21,9 @@ export class MessageReactionsManager extends BaseManager<
     const raw = await this._get(id)
     if (raw === undefined) return
 
-    let emoji = await this.client.emojis.get(raw.emoji.id)
+    const emojiID = raw.emoji.id !== null ? raw.emoji.id : raw.emoji.name
+
+    let emoji = await this.client.emojis.get(emojiID)
     if (emoji === undefined) emoji = new Emoji(this.client, raw.emoji)
 
     const reaction = new MessageReaction(this.client, raw, this.message, emoji)
@@ -43,7 +45,8 @@ export class MessageReactionsManager extends BaseManager<
 
     return await Promise.all(
       arr.map(async (raw) => {
-        let emoji = await this.client.emojis.get(raw.emoji.id)
+        const emojiID = raw.emoji.id !== null ? raw.emoji.id : raw.emoji.name
+        let emoji = await this.client.emojis.get(emojiID)
         if (emoji === undefined) emoji = new Emoji(this.client, raw.emoji)
 
         return new MessageReaction(this.client, raw, this.message, emoji)

src/structures/emoji.ts

@@ -5,7 +5,7 @@ import { Guild } from './guild.ts'
 import { User } from './user.ts'
 
 export class Emoji extends Base {
-  id: string
+  id: string | null
   name: string
   roles?: string[]
   user?: User
@@ -16,10 +16,14 @@ export class Emoji extends Base {
   available?: boolean
 
   get getEmojiString(): string {
+    if (this.id === null) {
+      return this.name
+    } else {
       if (this.animated === false) {
         return `<:${this.name}:${this.id}>`
       } else return `<a:${this.name}:${this.id}>`
     }
+  }
 
   toString(): string {
     return this.getEmojiString

src/structures/message.ts

@@ -17,6 +17,7 @@ import { TextChannel } from './textChannel.ts'
 import { Guild } from './guild.ts'
 import { MessageReactionsManager } from '../managers/messageReactions.ts'
 import { MessageSticker } from './messageSticker.ts'
+import { Emoji } from './emoji.ts'
 
 type AllMessageOptions = MessageOption | Embed
 
@@ -149,4 +150,15 @@ export class Message extends Base {
   async delete(): Promise<void> {
     return this.client.rest.delete(CHANNEL_MESSAGE(this.channelID, this.id))
   }
+
+  async addReaction(emoji: string | Emoji): Promise<void> {
+    return this.channel.addReaction(this, emoji)
+  }
+
+  async removeReaction(
+    emoji: string | Emoji,
+    user?: User | Member | string
+  ): Promise<void> {
+    return this.channel.removeReaction(this, emoji, user)
+  }
 }

src/structures/textChannel.ts

@@ -13,13 +13,18 @@ import {
 import {
   CHANNEL,
   CHANNEL_MESSAGE,
-  CHANNEL_MESSAGES
+  CHANNEL_MESSAGES,
+  MESSAGE_REACTION_ME,
+  MESSAGE_REACTION_USER
 } from '../types/endpoint.ts'
 import { Collection } from '../utils/collection.ts'
 import { Channel } from './channel.ts'
 import { Embed } from './embed.ts'
+import { Emoji } from './emoji.ts'
 import { Guild } from './guild.ts'
+import { Member } from './member.ts'
 import { Message } from './message.ts'
+import { User } from './user.ts'
 
 export type AllMessageOptions = MessageOption | Embed
 
@@ -128,6 +133,54 @@ export class TextChannel extends Channel {
     return res
   }
 
+  async addReaction(
+    message: Message | string,
+    emoji: Emoji | string
+  ): Promise<void> {
+    if (emoji instanceof Emoji) {
+      emoji = emoji.getEmojiString
+    }
+    if (message instanceof Message) {
+      message = message.id
+    }
+
+    const encodedEmoji = encodeURI(emoji)
+
+    await this.client.rest.put(
+      MESSAGE_REACTION_ME(this.id, message, encodedEmoji)
+    )
+  }
+
+  async removeReaction(
+    message: Message | string,
+    emoji: Emoji | string,
+    user?: User | Member | string
+  ): Promise<void> {
+    if (emoji instanceof Emoji) {
+      emoji = emoji.getEmojiString
+    }
+    if (message instanceof Message) {
+      message = message.id
+    }
+    if (user !== undefined) {
+      if (typeof user !== 'string') {
+        user = user.id
+      }
+    }
+
+    const encodedEmoji = encodeURI(emoji)
+
+    if (user === undefined) {
+      await this.client.rest.delete(
+        MESSAGE_REACTION_ME(this.id, message, encodedEmoji)
+      )
+    } else {
+      await this.client.rest.delete(
+        MESSAGE_REACTION_USER(this.id, message, encodedEmoji, user)
+      )
+    }
+  }
+
   /**
    * Fetch Messages of a Channel
    * @param options Options to configure fetching Messages

src/test/index.ts

@@ -112,6 +112,17 @@ client.on('messageCreate', async (msg: Message) => {
     } else {
       msg.channel.send('Failed...')
     }
+  } else if (msg.content === '!react') {
+    msg.addReaction('🤔')
+  }
+})
+
+client.on('messageReactionRemove', (reaction, user) => {
+  const msg = reaction.message
+
+  // eslint-disable-next-line @typescript-eslint/strict-boolean-expressions
+  if (reaction.me && reaction.emoji.getEmojiString === '🤔') {
+    msg.removeReaction(reaction.emoji)
   }
 })
 

src/types/emoji.ts

@@ -1,7 +1,7 @@
 import { UserPayload } from './user.ts'
 
 export interface EmojiPayload {
-  id: string
+  id: string | null
   name: string
   roles?: string[]
   user?: UserPayload